Aluminum Cup Anemometer

Details :

• The Anemometer Cup Counter is used for measuring the wind speed.
• The instrument has a Cup wheel comprising of three conical cups made from Copper sheet with bedded edges and free to rotate in a horizontal plance. 
• The Cup wheel spindle is connected by worm gearing to a revolution counter mounted inside waterproof housing made from Aluminium / Gunmetal casting.
• The gear ratio between the cup and counter is so chosen that the run of the wind is shown directly in Kilometers and tenths. The Counter mechanism has five figures and reads upto 9999.9 km. before repeating itself.